LT1765-5, Lower the Output Voltage Ripple of Positive-to-Negative DC/DC Converters with Optimum Capacitor Hook-Up

Reference Design using part LT1765 by Analog Devices

Enlarge
Image 1 / 1

Manufacturer

Analog Devices
  • Application Category
    Power Supplies
  • Product Type
    DC to DC Single Output Power Supplies

For End Products

  • Automotive and Transportation
  • Hard Disk Drive (HDD)
  • Portable Computers

Description

  • Circuit shows LT1765 5V to 5V converter with the bulk cap between VIN and ground has much higher output ripple than the circuit in Figure 1a. The high dI/dt path, indicated here with bold red lines, includes the output capacitor, thus increasing output ripple

Key Features

  • Conversion Type
    DC to DC
  • Input Voltage
    5 V
  • Output Voltage
    -5 V
  • Output Current
    -1 A
  • Topology
    Buck

Featured Parts (9)

Featured Parts
Part Number Manufacturer Type Description
LT1765ES8#TRPBF Analog Devices DC to DC Converter and Switching Regulator Chip Conv DC-DC 3V to 25V Synchronous Step Down Single-Out 1.2V to 20V 3A 8-Pin SOIC N T/R Buy
LT1765ES8 Analog Devices DC to DC Converter and Switching Regulator Chip Conv DC-DC 3V to 25V Synchronous Step Down Single-Out 1.2V to 20V 3A 8-Pin SOIC N Buy
LT1765EFE Analog Devices DC to DC Converter and Switching Regulator Chip Conv DC-DC 3V to 25V Synchronous Step Down Single-Out 1.2V to 20V 3A 16-Pin TSSOP EP Buy
LT1765EFE#PBF Analog Devices DC to DC Converter and Switching Regulator Chip Conv DC-DC 3V to 25V Synchronous Step Down Single-Out 1.2V to 20V 3A 16-Pin TSSOP EP Tube Buy
LT1765ES8#TR Analog Devices DC to DC Converter and Switching Regulator Chip Conv DC-DC 3V to 25V Synchronous Step Down Single-Out 1.2V to 20V 3A 8-Pin SOIC N T/R Buy
LT1765ES8#PBF Analog Devices DC to DC Converter and Switching Regulator Chip Conv DC-DC 3V to 25V Synchronous Step Down Single-Out 1.2V to 20V 3A 8-Pin SOIC N Tube Buy
LT1765EFE#TRPBF Analog Devices DC to DC Converter and Switching Regulator Chip Conv DC-DC 3V to 25V Synchronous Step Down Single-Out 1.2V to 20V 3A 16-Pin TSSOP EP T/R Buy
LT1765EFE#TR Analog Devices DC to DC Converter and Switching Regulator Chip Conv DC-DC 3V to 25V Synchronous Step Down Single-Out 1.2V to 20V 3A 16-Pin TSSOP EP T/R Buy
LT1765EFE#3DYPBF Analog Devices DC to DC Converter and Switching Regulator Chip Conv DC-DC 3V to 25V Synchronous Step Down Single-Out 1.2V to 20V 3A 16-Pin TSSOP EP Tube Buy

Research and Events

Silent Switcher® Technology: Industry-leading switching regulators w/ highest efficiency and lowest noise

In this video, get an overview of the Silent Switcher® product family from ADI, delivering high efficiency, ultra-compact size, and low-EMI performance.

2 years ago

Monolithic 65V, 8A step-down regulators with fast transient response and ultralow EMI emissions

In this article, explore the LT864X range of 65V, 8A synchronous step-down monolithic regulators from ADI, delivering ultralow EMI performance.

2 years ago

42 V, 2 A/3 a peak synchronous step-down regulators with 2.5 µA quiescent current and ultralow EMI emission

In this article, explore the LT8609X range of 3V-42V synchronous step-down monolithic regulators from ADI, delivering ultralow EMI performance.

2 years ago
Sorry, your filter selection returned no results.

Connect with Electronic Components

Facebook LinkedIn Instagram YouTube
Contact Us

Contact and Support

Programs and Partners

Product Categories

Manufacturers

Verticals & Trends

We've updated our privacy policy. Please take a moment to review these changes. By clicking I Agree to Arrow Electronics Terms Of Use  and have read and understand the Privacy Policy and Cookie Policy.

See Short Policy

Our website places cookies on your device to improve your experience and to improve our site. Read more about the cookies we use and how to disable them here. Cookies and tracking technologies may be used for marketing purposes.
By clicking “Accept”, you are consenting to placement of cookies on your device and to our use of tracking technologies. Click “Read More” below for more information and instructions on how to disable cookies and tracking technologies. While acceptance of cookies and tracking technologies is voluntary, disabling them may result in the website not working properly, and certain advertisements may be less relevant to you.
We respect your privacy. Read our privacy policy here